Finding the Third Proportional to 2,517,638.50 and 5,433,311

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517,638.50 : 5,433,311 = 5,433,311 : x
2. Step 2: Convert to fraction form
   2,517,638.50/5,433,311 = 5,433,311/x
3. Step 3: Cross multiply
   2,517,638.50x = 5,433,311 × 5,433,311
4. Step 4: Simplify right side
   2,517,638.50x = 29,520,868,422,721
5. Step 5: Solve for x
   x = 29,520,868,422,721/2,517,638.50
6. Step 6: Final answer
   x = 11,725,618.44